Soil and Forest of India
Soil and Forest of India Hey Mumbai University SYBA IDOL students! Today, we’re diving into the fascinating world of GEOGRAPHY OF INDIA , exploring about – “Soil and Forest of India“. This session will be both informative and engaging, covering a variety of aspects about our environment. First, we will look at some true or false statements about soil erosion, the formation of the Northern Indian plains, soil fertility, salinity, mangrove forests, tropical evergreen forests, and the impact of urbanization on forests. You will decide if these statements are true or false. Next, we will have some fill-in-the-blank questions. These will help us learn more about the characteristics of laterite soils, types of erosion, new alluvium soil, dominant species in dry deciduous forests, and the forest policies of independent India. We will also tackle multiple-choice questions to identify old alluvium soil, understand what it means for an area to be waterlogged, recognize soils formed by sea deposits, and locate tropical moist semi-evergreen forests. In our descriptive section, we will discuss the different types of soils found in India and describe two of them in detail. We will explore what soil erosion is and the methods used to combat it. We will write short notes on alluvial soil, black soil, and mountain soil, and delve into the problems of waterlogging in Indian soil as well as the effects of gully erosion. Additionally, we will learn about the major forest types in India and describe three of them. We will also discuss the problems faced by Indian forestry and understand the aims of the National Forest Policy of 1988. By the end of this session, you will have a comprehensive understanding of the soils and forests of India, their challenges, and the measures taken to protect and preserve them. So, SYBA IDOL Mumbai University students, get ready to unwrap the mysteries of “Soil and Forest of India” with customized IDOL notes just for you. Let’s jump into this exploration together True and false:- a) Rill erosion in one kind of erosion in which the running water makes finger-shaped grooves in the land – Trueb) The Northern India plains are mostly formed of deep alluvial soil – Falsec) Erosion of top soil increases soil fertility and agricultural productivity – Falsed) Soil salinity and alkalinity are found in the heavy rainfall recording areas – Falsee) Low Mangrove Forests grow on soft tidal mud near estuaries, which is flooded by salt water – Truef) Tropical Evergreen Forests are restricted to very low rainfall areas – Falseg) Fast urbanisation and industrialisation in the forest and hilly areas has caused forest degradation – True Fill in the blanks :- a) Laterite soils are red in colour and coarse with a high content of iron-oxides.b) Wind erosion is significant in the arid and semi-arid areas.c) New alluvium soil is known as Khadar.d) Teak is the most dominant species of dry deciduous forest.e) There are two forest policies in the history of Independent India, 1952 and 1988. Multiple choice question :- a. Old alluvium soil is known asI. BhangarII. KhadarIII. BetIV. Kankar Ans- I. Bhangarb. When the water table rises to the extent that soil pores in the root zone of a crop become saturated, that area is said to beI. alkalineII. waterloggedIII. floodedIV. wasteland Ans- II. waterlogged c. The soils that are formed by the deposits of sea waves are known asI. Mountain soilsII. Coastal Alluvial SoilsIII. Riverine Alluvial SoilsIV. Red Soils Ans – II. Coastal Alluvial Soils d. Tropical moist semi-evergreen forests are foundI. along the eastern coasts, northern Orissa and upper Meghalaya where annual rainfall is between 200 and 250 cm.II. along the western coasts, eastern Assam and upper Bihar where annual rainfall is between 200 and 250 cm.III. along the eastern coasts, eastern Kerala and upper Assam where annual rainfall is between 200 and 250 cm.IV. along the western coasts, eastern Orissa and upper Assam where annual rainfall is between 200 and 250 cm. Ans – IV. along the western coasts, eastern Orissa and upper Assam where annual rainfall is between 200 and 250 cm. ANSWER THE FOLLOWING QUESTION :- Question 1 :- What are the different types of soils found in India? Describe any two of them Introduction: India is blessed with a diverse range of soils due to its varied landforms, climates, and vegetation. Understanding the different types of soils in India is crucial for agriculture and environmental conservation. Let’s explore two significant types of soils found in India. 1. Alluvial Soil: Alluvial soil is the most abundant type of soil in India, covering approximately 46% of the total land area. It is primarily found in the northern plains and river valleys, as well as in deltas and estuaries in peninsular India. Alluvial soil is depositional in nature, transported and deposited by rivers and waves, making it fine-grained and fertile. This soil type contains humus, lime, and organic matter, making it highly suitable for agriculture. Regions like the Indus-Ganga-Brahmaputra plain and Narmada-Tapti plain are known for their extensive alluvial soil deposits. 2. Black Soil (Regur Soil): Black soil, also known as regur soil, covers about 15% of India’s land area. It is characterized by its dark black color, high clay content, and excellent moisture retention properties. Black soil is found in parts of Maharashtra, Madhya Pradesh, Gujarat, and some regions of the Deccan Plateau. This soil type is rich in minerals like calcium, magnesium, and iron, making it suitable for crops like cotton, pulses, and oilseeds. Despite its fertility, black soil can become hard and sticky when dry, posing challenges for cultivation. Conclusion: The diversity of soils in India plays a vital role in shaping the country’s agricultural landscape. Alluvial soil, with its fertility and depositional nature, supports a significant portion of India’s agricultural output. On the other hand, black soil, known for its moisture retention and mineral richness, presents unique opportunities and challenges for farmers in specific regions. Understanding and managing these soil types are essential for sustainable agriculture and environmental conservation in India. Question 2 :- What is soil erosion? Introduction:
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